<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>

    <script>
        for (let i = 0; i < 3 ; i++){
            let i = 'abc';
            console.log(i);
        }

        let {name, age} = {name: 'chen', age: 21}; // 解构赋值
        console.log(name,age);

        let a = "chen", b = "你好";
        console.log(`hello ${a}, ${b}`);


    </script>

</head>
<body>

</body>
</html>